1KOMMA5°

Operations

• You will support the Energy Operations team in day-to-day work on projects such as #DynamicPulse or #SmartMeterRollout — contributing to a digital and connected energy world of tomorrow
• You will help scale one of 1KOMMA5°'s core focus areas: our dynamic electricity tariff “Dynamic Pulse”
• You will coordinate independently with internal stakeholders (e.g., local installation partners within the 1KOMMA5° group) and external stakeholders (e.g., grid operators) and gain hands-on experience in the real-life implementation of the energy transition
• You will analyze and optimize processes
• After onboarding, you will have the opportunity to take ownership of a project and implement it, supported by your manager
• You will prepare presentations for relevant Product Owners
• Together with your team you will evaluate current KPIs and derive measures

Energy Operations Internship

Business Intelligence Developer

• Support the Platform: Assist the team in developing and maintaining our core analytics stack, including data ingestion pipelines, transformation jobs, and reporting infrastructure for our hardware and supply chain operations. You take ownership of our data for reporting on inventories, supply chain and logistics.
• Write Code: Contribute to our codebase (in SQL & Python) to automate processes and improve data quality checks
• Get Insights: Create and maintain reports in Looker to get insights on everything related to our products, their life-cycle and the inner logistics of our supply chain management
• Enable Teams: Act as a point of contact for the hardware team, helping them with adhoc data analyses, questions around reporting tools and prioritizing incoming analytics tasks. Build new dashboards to analyse business processes and give recommendations based on the findings
• Improve & Document: Help us improve our reports by identifying areas for enhancement and contributing to our technical documentation to ensure our tools are easy to use
• Learn & Grow: Actively participate in team meetings, learn about our architecture, and absorb as much knowledge as you can from our experienced team

Working Student Data, BI Analyst

Full-stack Engineer

• Spearhead the evolution of our mobile app for the virtual assembly line, supporting the team in achieving ambitious goals and driving continuous improvement for the 1KOMMA5° Installation Manager app
• Drive product development and innovation by testing your code and delivering scalable, reliable and high-performance front-end solutions to ensure continuous technical improvements and maintainability of our apps
• Create, implement, deploy, sustain, and enhance high-quality Flutter-based mobile apps for iOS and Android platforms
• Promote teamwork and successful project execution while constantly refining features based on user feedback and industry trends to improve the customer experience
• Provide guidance and coaching to colleagues on automated testing and releasing, design methods, and coding standards and be a real team player when it comes to sharing knowledge and experience, especially across team boundaries and beyond your own role

Senior Software Engineer, Flutter

Data Analyst

• Unterstützung der Teams Controlling und Business Intelligence beim Aufbau einer zentralen Datenarchitektur
• Aufbau und Pflege von End-to-End-Datenpipelines, um die Verfügbarkeit operativer und finanzieller Daten sicherzustellen
• Unterstützung des Controlling-Teams bei automatisierten Reports, Forecast-Datensätzen und KPI-Tracking
• Eigenständige Entwicklung von Analysen, Dashboards und Reports in Looker zur Überwachung der finanziellen und operativen Performance
• Beitrag zur Sicherstellung der Datenintegrität und -zuverlässigkeit in finanzbezogenen Datensätzen
• Unterstützung bei der Automatisierung und Optimierung von Reporting-Prozessen für Budgetierung, Forecasting und Abweichungsanalysen
• Untersuchung und Einsatz von KI-gestützter Datenanalyse, um Forecasts, Anomalieerkennung und Business Insights zu verbessern

Werkstudent – Data Analytics, Controlling Focus

Accounting Manager

• Support with monthly, quarterly and annual financial closings — you will actively assist in day-to-day operations and learn what really matters in financial reporting
• Preparation of reports and financial analyses — your analyses provide the basis for informed decisions for business units, managers and other stakeholders
• Support and optimize intercompany reconciliations — you help ensure that intragroup allocations are accurate, well-documented and delivered on time
• Analyze data quality in management reporting — you investigate anomalies, analyze accounts and cost centers across the income statement (P&L) and balance sheet, and assist in resolving discrepancies
• Perform data imports into our LucaNet database — you will take responsibility to ensure our figures are represented accurately, completely and up to date in the systems
• Contribute to exciting projects in Accounting & Controlling — whether process optimization or tool implementation, you will get involved and help actively develop the area

Working Student Accounting

Sales

• Du bist ein Deal-Maker für komplexe Energiesysteme.
• Deine Mission: Beraten, Begeistern, Abschließen.
• Keine Kaltakquise: Verkaufs- und Beratungsgespräche ausschließlich mit hochqualifizierten, warmen Leads.
• Vom ersten Videocall über passgenaue Angebote bis zur digitalen Vertragsunterschrift begleitest du deine Kunden.
• Führung der Kunden von der Bedarfsanalyse bis zum erfolgreichen Vertragsabschluss vollständig digital über moderne Videokonferenz-Tools.

Sales Manager – Photovoltaik, Wärmepumpen

Account Manager

• The face of 1KOMMA5° in inbound and outbound sales
• Develop tailored energy concepts for commercial and industrial clients
• Support projects beyond contract signing through to delivery
• Prepare proposals and lead contract negotiations
• Produce well-founded ROI analyses
• Deliver compelling concept presentations and structured project planning

Key Account Manager – New Energy Major Projects

• Du verantwortest die Beantragung sowie die fortlaufende Betreuung der Haupt- und Gastkonzessionen unserer Elektrofachkräfte bei den Verteilnetzbetreibern
• Du identifizierst relevante Ansprechpartner/innen bei den Verteilnetzbetreibern und baust durch kontinuierliche Pflege eine belastbare, strategische Partnerschaft zu ihnen auf
• Du steuerst strategische Projekte und entwickelst im direkten Austausch mit den Verteilnetzbetreibern effiziente Lösungen für prozessuale Fragestellungen. Ebenfalls wirkst du mit regulatorischen Stellungnahmen und Projekte mit unserem Regulatory Team
• Du betreust Eskalationen von Verteilnetzbetreibern, gehst in die aktive Kommunikation und Verhandlung mit dem Ziel, tragfähige Kompromisse und Lösungen zu finden.

Junior Grid Relations Manager

Growth Marketing

• Deine zentrale Aufgabe sind sogenannte „Happy Calls“ an unsere Bestandskund:innen mit bereits installierten Systemen
• Du kontaktierst Kund:innen aktiv telefonisch, erhebst systematisch die Zufriedenheit und sammelst strukturiertes Feedback zur Verbesserung unserer Leistungen
• Die gewonnenen Erkenntnisse fließen direkt in die Optimierung unserer After-Sales-Prozesse sowie in Marketingkampagnen ein
• Du planst und begleitest kleine lokale Events und stehst dort im persönlichen Austausch mit Kund:innen
• Dabei bringst du eigene Ideen zur Weiterentwicklung von Kundenansprache und Kampagnen ein
• Du arbeitest standortübergreifend mit über 50 Standorten deutschlandweit zusammen und erhältst umfassende Einblicke in ein dynamisch wachsendes Unternehmen

Werkstudent:in Growth Marketing

SEO Marketing

• Conduct keyword and competitor research
• Set up and review automated sanity checks and technical crawls to monitor website hygiene
• Ensure the technical and editorial quality of optimized content
• Support Generative Engine Optimization (GEO) and Answer Engine Optimization (AEO)
• Independently manage and develop SEO workflows
• Collaborate with global teams to translate strategic directives into operational briefings

Junior SEO Manager

Engineer

• Independent development of AC concepts for PV systems, energy storage, charging infrastructure and energy management, including metering, meter and protection and control concepts, as well as direct marketing
• Thorough understanding of applicable standards (VDE 4105 & VDE 4110, grid operator connection rules / TAB, etc.)
• Selection of main components (switchgear enclosures, AC combiner boxes, routers, etc.) and handover to electrical schematic/planning
• Responsible for timely grid connection applications, approvals and provision of certification documents
• Approval of single-line diagrams (SLDs) and ensuring declarations of conformity
• Performing and checking cable calculations and reviewing plans prepared by junior staff
• Technical site surveys, inspections and documentation of results
• Close collaboration with sales, project management and grid operators
• Transferring technical knowledge to junior colleagues and supporting the team with technical queries
• Willingness to travel for site visits and commissioning of own projects

Senior Electrical Design Engineer – Commercial Photovoltaics & New Energy Systems

• Independently develop AC concepts for PV systems, storage, charging infrastructure and energy management, including measurement, metering, protection and control concepts as well as direct marketing
• Thorough understanding of applicable standards (VDE 4105 & 4110, grid operators' connection rules/TAB, etc.)
• Selection of main components (control cabinets, AC collectors, routers, etc.) and handover to schematic/switchgear planning
• Responsible for timely grid connection applications, confirmations and provision of certification documents
• Approval of Single Line Diagrams (SLD) and ensuring declarations of conformity
• Performing and reviewing cable calculations; reviewing plans produced by junior engineers
• Technical site surveys, inspections and documentation of findings
• Close collaboration with sales, project management and grid operators
• Sharing expertise with junior colleagues and supporting the team on technical issues
• Willingness to travel for site inspections and commissioning of your own projects

Senior Electrical Planning Engineer – Commercial Photovoltaics, New Energy Systems

Business Analyst

• You analyze operational metrics and drive data-driven improvements in the installation business
• You develop a deep understanding of our ongoing installation and site processes
• You identify, measure, and prioritize optimization opportunities
• You combine data from different sources and derive clear recommendations for action
• You work closely with site supervisors, location managers, and central teams, building collaborative working relationships
• You travel 1–2 times per month within Germany & Europe to understand processes on-site and implement improvements

• You lead strategic projects and programs to rapidly and sustainably improve efficiency and quality across our operational units
• You work closely with local contractors and installation partners to optimize on-site operational performance
• When needed, you take on interim site leadership, stabilize the organization, and build a sustainable leadership structure
• You actively advance the operations strategy through operational programs
• You travel regularly within Germany and Europe (up to 3–4 days per week) to understand and improve processes on-site

Operations Manager

• Unterstützung im laufenden Accounting inkl. Verbuchung von Geschäftsvorfällen (Rechnungen, Belege, Bank/Kasse), Belegmanagement und Klärfällen, Kontenabstimmungen sowie Zuarbeit, Kontrolle und Vorbereitung von Monats- und Jahresabschlüssen.
• Mitwirkung bei der Planung, Koordination und Umsetzung von operativen und strategischen Accounting-Projekten – eng an der Seite des Teamleads.
• Identifikation von Verbesserungsfeldern, Standardisierung von Abläufen, Mitwirkung bei Automatisierung und KI-gestützten Prozessoptimierungen.
• Unterstützung bei der Einführung/Weiterentwicklung von Tools, Schnittstellen und Workflows (z. B. zwischen Vorsystemen und Buchhaltung) – inklusive Testen, Dokumentieren und Rollout-Begleitung.
• Du baust klare Excel-Reports und Übersichten, bereitest Meetings vor und sorgst mit Protokollen und Action-Tracking dafür, dass nichts liegen bleibt.
• Übernahme von organisatorischen und administrativen Aufgaben für Accounting und teilweise teamübergreifend für Finance.